Too many log messages generated if a node has a different Hadoop version
installed
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Key: MAPREDUCE-1468
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1468
Projec
Checksum error on a single reducer does not trigger too many fetch failures for
mapper during shuffle
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Key: MAPREDUCE-1202
URL: https://issues.apache.org/jira/bro
ConcurrentModificationException when tasktracker updates task status to
jobtracker
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Key: MAPREDUCE-1136
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1136
Projec
TaskTracker blacklisted by one job should be blacklisted for all other jobs in
the queue
Key: MAPREDUCE-790
URL: https://issues.apache.org/jira/browse/MAPREDUCE-790